Originally Posted by
tanja
yes. But if they are married/family that will cause problems. Cause customs wants 1 form for familly. Kind of hard to do if you are in 2 different lines. Believe I have done. With customs really angry.
And as he said it depends on the airport, and sometimes the agents on duty. Some airports send greencards through the foreign line. Some allow Canadians to use the US lines with Greencard holders. It depends and often changes.
All of the computer systems set up in the main booths can process either types of immigrants, citizens or visitors.
There are various reasons they prefer families together including but not limited to cash structuring and FINCEN105 rules, dec limits, child trafficking, etc.